Datasheet 5962-9322701QSA, 5962-9322701QRA, 5962-9322701Q2A Datasheet (NSC)

54ABT241
Octal Buffer/Line Driver with TRI-STATE

®

Outputs

General Description

The ABT241 is an octal buffer and line driver with 3-STATE
outputs designed to be employed as a memory and address
driver, clock driver, or bus-oriented transmitter/receiver.

Features

n Non-inverting buffers
n Output sink capability of 48 mA, source capability of

24 mA

n Guaranteed latchup protection
n High impedance glitch free bus loading during entire

power up and power down cycle

n Nondestructive hot insertion capability
n Standard Microcircuit Drawing (SMD) 5962-9322701

Ordering Code

Military Package Number Package Description

54ABT241J-QML J20A 20-Lead Ceramic Dual-In-Line
54ABT241W-QML W20A 20-Lead Cerpack
54ABT241E-QML E20A 20-Lead Ceramic Leadless Chip Carrier, Type C

Connection Diagram

Pin Names Description

OE

1

Output Enable Input (Active Low)

OE

2

Output Enable Input (Active High)

I

0–I7

Inputs

O

0–O7

Outputs

Truth Table

OE

1

I

0–3

O

0–3

OE

2

I

4–7

O

4–7

HX ZLX Z
LH HHH H
LL LHL L

H

=

HIGH Voltage Level
L=LOW Voltage Level
X=Immaterial
Z=High Impedance

TRI-STATE®is a registered trademark of National Semiconductor Corporation.

Pin Assignment for

DIP and Cerpack

DS100215-1

Pin Assignment for LCC

DS100215-4

July 1998

54ABT241 Octal Buffer/Line Driver with TRI-STATE Outputs

54ABT241

© 1998 National Semiconductor Corporation DS100215 www.national.com

1

PrintDate=1998/07/13 PrintTime=19:04:09 43584 ds100215 Rev. No. 1 cmserv

Proof 1

Absolute Maximum Ratings (Note 1)

Storage Temperature −65˚C to +150˚C
Ambient Temperature under Bias −55˚C to +125˚C
Junction Temperature under Bias

Ceramic −55˚C to +175˚C

V

CC

Pin Potential to

Ground Pin −0.5V to +7.0V
Input Voltage (Note 2) −0.5V to +7.0V
Input Current (Note 2) −30 mA to +5.0 mA
Voltage Applied to Any Output

in the Disabled or

Power-Off State −0.5V to 5.5V

in the HIGH State −0.5V to V

CC

Current Applied to Output

in LOW State (Max) twice the rated I

OL

(mA)

DC Latchup Source Current

(Over Comm Operating Range) −500 mA

Over Voltage Latchup (I/O) 10V

Recommended Operating
Conditions

Free Air Ambient Temperature

Military −55˚C to +125˚C

Supply Voltage

Military +4.5V to +5.5V

Minimum Input Edge Rate (∆V/∆t)

Data Input 50 mV/ns
Enable Input 20 mV/ns

Note 1: Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired. Functional operation under these
conditions is not implied.

Note 2: Either voltage limit or current limit is sufficient to protect inputs.

DC Electrical Characteristics

Symbol Parameter Min Typ Max Units V

CC

Conditions

V

IH

Input HIGH Voltage 2.0 V Recognized HIGH Signal

V

IL

Input LOW Voltage 0.8 V Recognized LOW Signal

V

CD

Input Clamp Diode Voltage −1.2 V Min I

IN

=

−18 mA

V

OH

Output HIGH Voltage 54ABT 2.5 V Min I

OH

=

−3 mA

54ABT 2.0 V Min I

OH

=

−24 mA

V

OL

Output LOW Voltage 54ABT 0.55 V Min I

OL

=

48 mA

I

IH

Input HIGH Current 5 µA Max V

IN

=

2.7V (Note 4)

5V

IN

=

V

CC

I

BVI

Input HIGH Current Breakdown Test 7 µA Max V

IN

=

7.0V

I

IL

Input LOW Current −5 µA Max V

IN

=

0.5V (Note 4)

−5 V

IN

=

0.0V

V

ID

Input Leakage Test 4.75 V 0.0 I

ID

=

1.9 µA

All Other Pins Grounded

I

OZH

Output Leakage Current 50 µA 0 − 5.5V V

OUT

=

2.7V; OE

n

=

2.0V

I

OZL

Output Leakage Current −50 µA 0 − 5.5V V

OUT

=

0.5V; OE

n

=

2.0V

I

OS

Output Short-Circuit Current −100 −275 mA Max V

OUT

=

0.0V

I

CEX

Output High Leakage Current 50 µA Max V

OUT

=

V

CC

I

ZZ

Bus Drainage Test 100 µA 0.0 V

OUT

=

5.5V; All Others GND

I

CCH

Power Supply Current 50 µA Max All Outputs HIGH

I

CCL

Power Supply Current 30 mA Max All Outputs LOW

I

CCZ

Power Supply Current 50 µA Max OE

n

=

V

CC

;

All Others at VCCor Ground

I

CCT

Additional ICC/Input Outputs Enabled 2.5 mA Max V

I

=

V

CC

− 2.1V

Outputs 3-STATE 2.5 mA Enable Input V

I

=

V

CC

− 2.1V

Outputs 3-STATE 50 µA Data Input V

I

=

V

CC

− 2.1V

All Others at V

CC

or Ground

I

CCD

Dynamic I

CC

No Load mA/ Max Outputs Open

(Note 4) 0.1 MHz OE

n

=

GND, (Note 3)

One Bit Toggling, 50

%

Duty Cycle

Note 3: For 8 bits toggling, I

CCD

<

0.8 mA/MHz.

Note 4: Guaranteed, but not tested.

PrintDate=1998/07/13 PrintTime=19:04:09 43584 ds100215 Rev. No. 1 cmserv Proof 2

www.national.com 2

DC Electrical Characteristics

Symbol Parameter Min Max Units V

CC

Conditions
C

L

=

50 pF,

R

L

=

500Ω

V

OLP

Quiet Output Maximum Dynamic V

OL

0.67 V 5.0 T

A

=

25˚C (Note 5)

V

OLV

Quiet Output Minimum Dynamic V

OL

-1.35 V 5.0 T

A

=

25˚C (Note 5)

Note 5: Max number of outputs defined as (n).n−1data inputs are driven 0V to 3V. One output at LOW. Guaranteed, but not tested.

AC Electrical Characteristics

Symbol Parameter T

A

=

−55˚C to +125˚C Units Fig.
No.

V

CC

=

4.5V–5.5V

C

L

=

50 pF

Min Max

t

PLH

Propagation Delay 0.8 5.3 ns

t

PHL

Data to Outputs 0.8 5.0

t

PZH

Output Enable 1.0 7.0 ns

t

PZL

Time 1.0 7.0

t

PHZ

Output Disable 0.8 7.9 ns

t

PLZ

Time 0.8 6.2

Capacitance

Symbol Parameter Typ Units Conditions

T

A

=

25˚C

C

IN

Input Capacitance 5.0 pF V

CC

=

0V

C

OUT

(Note 6) Output Capacitance 9.0 pF V

CC

=

5.0V

Note 6: C

OUT

is measured at frequency f=1 MHz, per MIL-STD-883B, Method 3012.

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PrintDate=1998/07/13 PrintTime=19:04:10 43584 ds100215 Rev. No. 1 cmserv Proof 3

Physical Dimensions inches (millimeters) unless otherwise noted

20-Lead Ceramic Leadless Chip Carrier

Package Number E20A

PrintDate=1998/07/13 PrintTime=19:04:10 43584 ds100215 Rev. No. 1 cmserv Proof 4

Book
Extract
End

www.national.com 4

Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

20-Lead Ceramic Dual-In-Line

Package Number J20A

20-Lead Ceramic Flatpack

Package Number W20A

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PrintDate=1998/07/13 PrintTime=19:04:10 43584 ds100215 Rev. No. 1 cmserv Proof 5

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the body, or (b) support or sustain life, and whose fail­ure to perform when properly used in accordance
with instructions for use provided in the labeling, can
be reasonably expected to result in a significant injury
to the user.

2. A critical component in any component of a life support
device or system whose failure to perform can be rea­sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.

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54ABT241 Octal Buffer/Line Driver with TRI-STATE Outputs

6

PrintDate=1998/07/13 PrintTime=19:04:10 43584 ds100215 Rev. No. 1 cmserv

Proof 6

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.